diff --git a/components/external/jpeg/SConscript b/components/external/jpeg/SConscript
index 164a90f6a02e7612a659c38d52dd1dea9d1eb0b7..df092e9fa9f9a23d44f0c1a34bb49515438e3394 100644
--- a/components/external/jpeg/SConscript
+++ b/components/external/jpeg/SConscript
@@ -2,7 +2,7 @@ Import('RTT_ROOT')
 Import('rtconfig')
 from building import *
 
-src	= Split('''
+s = '''
 jaricom.c
 jcomapi.c
 jutils.c
@@ -30,7 +30,68 @@ jquant1.c
 jquant2.c
 jdmerge.c
 jmemnobs.c
+'''
+
+j62 = '''
+jcomapi.c
+jdapimin.c
+jdapistd.c
+jdcoefct.c
+jdcolor.c
+jddctmgr.c
+jdhuff.c
+jdinput.c
+jdmainct.c
+jdmarker.c
+jdmaster.c
+jdmerge.c
+jdphuff.c
+jdpostct.c
+jdsample.c
+jdtrans.c
+jerror.c
+jfdctflt.c
+jfdctfst.c
+jfdctint.c
+jidctflt.c
+jidctfst.c
+jidctint.c
+jidctred.c
+jmemmgr.c
+jquant1.c
+jquant2.c
+jutils.c
+'''
+
+src	= Split('''
+jaricom.c
+jcomapi.c
+jutils.c
+jerror.c
+jmemmgr.c
+jdapimin.c
+jdapistd.c
+jdarith.c
+jdtrans.c
+jdmaster.c
+jdinput.c
+jdmarker.c
+jdhuff.c
+jdmainct.c
+jdcoefct.c
+jdpostct.c
+jddctmgr.c
+jidctfst.c
+jidctflt.c
+jidctint.c
+jdsample.c
+jdcolor.c
+jquant1.c
+jquant2.c
+jdmerge.c
+jmemnobs.c
 ''')
+
 CPPPATH = [RTT_ROOT + '/components/external/jpeg']
 
 group = DefineGroup('jpeg', src, depend = ['RTGUI_IMAGE_JPEG'], CPPPATH = CPPPATH)
diff --git a/components/external/jpeg/jconfig.h b/components/external/jpeg/jconfig.h
index e1cc4c3324b0ecf6b8ae703eea6cc2e5181a1810..c165f20737c28e26a5315357cc3174c76335d82c 100644
--- a/components/external/jpeg/jconfig.h
+++ b/components/external/jpeg/jconfig.h
@@ -1,5 +1,6 @@
 /* jconfig.vc --- jconfig.h for Microsoft Visual C++ on Windows 95 or NT. */
 /* see jconfig.txt for explanations */
+#define NO_GETENV
 
 #define HAVE_PROTOTYPES
 #define HAVE_UNSIGNED_CHAR
diff --git a/components/external/jpeg/jerror.c b/components/external/jpeg/jerror.c
index 3da7be86a00f989d0f7a8094d4619f4d305b6c45..b1cbe5d675dcb4705e1d19cdd05fa34e48420d31 100644
--- a/components/external/jpeg/jerror.c
+++ b/components/external/jpeg/jerror.c
@@ -75,7 +75,7 @@ error_exit (j_common_ptr cinfo)
   /* Let the memory manager delete any temp files before we die */
   jpeg_destroy(cinfo);
 
-  exit(EXIT_FAILURE);
+  // exit(EXIT_FAILURE);
 }
 
 
@@ -108,7 +108,7 @@ output_message (j_common_ptr cinfo)
 	     MB_OK | MB_ICONERROR);
 #else
   /* Send it to stderr, adding a newline */
-  fprintf(stderr, "%s\n", buffer);
+  // fprintf(stderr, "%s\n", buffer);
 #endif
 }
 
diff --git a/components/external/jpeg/jmemsys.h b/components/external/jpeg/jmemsys.h
index 6c3c6d348f2cf68149087f1906196a470136237e..fa0594cb179f54eb061fe46fba6bb63e5e60d7e0 100644
--- a/components/external/jpeg/jmemsys.h
+++ b/components/external/jpeg/jmemsys.h
@@ -162,7 +162,7 @@ typedef struct backing_store_struct {
   char temp_name[TEMP_NAME_LENGTH]; /* name if it's a file */
 #else
   /* For a typical implementation with temp files, we need: */
-  FILE * temp_file;		/* stdio reference to temp file */
+  // FILE * temp_file;		/* stdio reference to temp file */
   char temp_name[TEMP_NAME_LENGTH]; /* name of temp file */
 #endif
 #endif
diff --git a/components/external/jpeg/jpeglib.h b/components/external/jpeg/jpeglib.h
index 341a19c9a3d568c1234018a79052882740eefd8d..4686c8194b56cd1a4e6e616531a411398e8e8c85 100644
--- a/components/external/jpeg/jpeglib.h
+++ b/components/external/jpeg/jpeglib.h
@@ -935,8 +935,8 @@ EXTERN(void) jpeg_destroy_decompress JPP((j_decompress_ptr cinfo));
 
 /* Standard data source and destination managers: stdio streams. */
 /* Caller is responsible for opening the file before and closing after. */
-EXTERN(void) jpeg_stdio_dest JPP((j_compress_ptr cinfo, FILE * outfile));
-EXTERN(void) jpeg_stdio_src JPP((j_decompress_ptr cinfo, FILE * infile));
+// EXTERN(void) jpeg_stdio_dest JPP((j_compress_ptr cinfo, FILE * outfile));
+// EXTERN(void) jpeg_stdio_src JPP((j_decompress_ptr cinfo, FILE * infile));
 
 /* Default parameter setup for compression */
 EXTERN(void) jpeg_set_defaults JPP((j_compress_ptr cinfo));
diff --git a/components/external/libz/SConscript b/components/external/libz/SConscript
index 2b6aa8a664765d03bfd9eb68a759bb4bfd80ff21..0ab46278b86263a5f2b767ebea3176b8d6d084cc 100644
--- a/components/external/libz/SConscript
+++ b/components/external/libz/SConscript
@@ -7,7 +7,6 @@ adler32.c
 compress.c
 crc32.c
 deflate.c
-gzio.c
 infback.c
 inffast.c
 inflate.c